preobrazuvatelna tehnika

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-

2005

. , . . . . , . : . - . . , : , 2, 3; . . - . . , : 1, 4, 5, 6. . - . . , . - . . , , . , , .

ISBN , . 13 12.07.05. . , . , 2005 . , . , 2005 . , . , 2005 -

......................................................................................................................6 ............................................................................9 1. 1.1 ............................................................................11 1.2 ................................................................................12 1.2.1 ..................13 1.2.2 ....................................................13 1.2.3 .........14 1.3 .................................................................16 1.3.1 ..............................................................16 1.3.2 (, ).....................................19 1.4 .....................................................................20 1.4.1 (GTO)......20 1.4.2 MOS (MCT)..............................................21 1.5 ...................................................................................23 1.5.1. .........24 1.5.2 Ksat ...24 1.5.3. O a ....27 1.6 (MOS FET)...................................................................28 1.6.1 MOS ................28 1.6.2 MOS .......................30 1.6.3 MOS .........................31 1.6.4 (SIT)...................................32 1.7 (IGBT)...................33 1.7.1 IGBT .............................................34 1.7.2 .....................................35 1.7.3 IGBT ..........................................................................................36 1.7.4 IGBT .................................................39 1.8 (IPM)...........................................................40 1.9 ........................................................................................................................41 1.9.1 ...........................................................................41 1.9.2 ..................42 2. 2.1 ....................................................................................................45 2.1.1 ........................451

2.1.2 . . ................48 2.2. .................51 2.2.1. E ..........................51 2.2.2. E .......55 2.2.4. ..................................................65 2.3. - .............................................................................................................................77 2.3.1. E R-L ...........................................................................................77 2.3.2. E .........................................................................................81 2.3.3 E - ..............................................................................84 2.3.4. , - ..............................................................................90 2.3.5. , - ..............................................................................94 2.3.6. - . .............................................................101 2.4 ..............108 2.5. .......................113 2.5.1. ............................................................................................113 2.5.2. (...) .......................................................115 2.6. ...................116 2.6.1. .......116 2.6.2. ...................121 2.7. ......................................................................................124 2.7.1 ......................................................125 2.7.2 .........................................................127 2.8. .....................................................................129 3. 3.1 .................................133 3.1.1 .....................................................................................................133 3.1.2 - ...........................................................................137 3.2 ...................................1412

4. 4.1 ..................................................................................................144 4.1.1 ................................144 4.1.2 ...................................................................145 4.1.3 .......................................................146 4.2 ..........................................................................................147 4.2.1 (Buck DC-DC converter)..147 4.2.2 (Boost DC-DC converter)...155 4.2.3 - ..................160 4.2.4 (Cuk DC-DC converter) ..............................164 4.2.5 ................................169 4.3 ................................................................................................................171 4.3.1 ...............171 4.3.2 (Flyback DC-DC converter) ............................................................................175 4.3.3 ...179 4.3.4 (Push-pull DC-DC converter)..................................182 4.3.5 .........................................................................................................184 4.4 ...189 4.4.1 ...............................................................190 4.4.2 ........................190 4.4.3 ..........................194 4.4.3.1 ... 194 4.4.3.2 ...... 197 4.4.3.3 .......... 198 5. 5.1 ..................................................................................................199 5.2 ..........................201 5.2.1 ........................................201 5.2.2 .....................................................203 5.2.3 .....207 5.3 .............................209 5.3.1 .......................................................................................2093

5.3.2 ............................................................................................................212 5.4 ........................................................214 5.5 .............................................................................................216 5.5.1 .................................................216 5.5.2. .................217 5.6 .......................................................................................223 5.6.1 .................................223 5.6.2 A R-L-C ........225 5.6.3 ......229 5.6.4 ....................................................................................................236 5.6.5 ......................241 5.7 ...........................................................................................................................244 5.7.1 (), ......245 5.7.2 ...................................................247 5.7.3 ..................................................250 5.7.4 (ma1).......................................252 5.7.5 .........................................................................................................253 5.7.6 - .........................................................254 5.7.7 .................257 6. 6.1 ................................................................................................................260 6.1.1 ..............260 6.1.2 .................261 6.2 ...................................................................263 6.2.1 (Zero Voltage Switching).........263 6.2.2 (Zero Current Switching) ..................264 6.2.3 ........265 6.3 ..................................................266 6.3.1 ........266 6.3.2 .........268 6.4 - .......2744

6.4.1 - (Quasi-Resonant Converters) .......................................274 6.4.2 - (ZVS-QRC).....................................................276 6.4.3 - .................279 6.5 ................................285 6.6 .........288 6.6.1 (ZVS-PWM Converters)...................................................................................288 6.7 - (Resonant DC Link Converters)...............................................295 .............................................................................................. 300

5

- , , , . . , , . . : (); ( ); (); ( ). , (220 V, 50Hz) . .1 . () , . T

.1 6

() , . () . , . () , . () . . , . - , . , , - . .2 . (), .

.2. 7

() , . () . () . () . . , . .1 , (). . .2 , (). . . - . : , , , , . , , , , , , , , .

8

u1,U1; u2,U2 - , ; i1,I1, i2, I2 - ; U1m, U2m - () , ; uak, ia - ; Ia - ; URm - ; UFm - ; ud,(uut), Ud(Uut) - Rd(R); Uin - ; id, (iut), Id,(Iut) - ; Pd = Ud Id - ; Ud(1)m - ; S1, S2, - , ; ST - ; Z - ; ma - ; mf - ; f ; T - ; w- ; a - ; j - ; y - ; ; ; n =U2/U1 - ;9

=Uo(1)m/Uo - ; Uomax,Uomin - D =I2/Io -